000 003280000a22001450004500
050 _a010
060 _a100
082 _a630.715 SIN
100 _aSingh, Ashok
245 _aExtension strategies for agriculture and rural development
260 _aDelhi, Daya publishing
260 _c2010
300 _a437
942 _cBK
999 _c367894
_d367894